TB MRI3-ITE(R) 12.00 E
17
5
Operation and settings
5.1
Display
Function
Display shows
Pressed pushbutton
Corresponding LED
Normal operation
SEG
Measured operating values
actual measured values,
related to I
N
,
Temperature equivalent in %
<SELECT/RESET>
one time for each value
L1, L2, L3, E
ϑ
A
,
ϑ
T
, I
P
, I
Q
Measuring range overflow
max.
<SELECT/RESET>
ϑ
A
und
ϑ
T
Display of the second rated repetition current
SEC 0.002-50.0 kA=prim
<+> <-><SELECT/RESET>
L1, L2, L3, E
Rated frequency
f = 50 / f = 60
<+> <-><SELECT/RESET>
LED-blinking after activation
FLSH/NOFL
<+> <-><SELECT/RESET>
Parameter switch/external triggering of the
fault recorder
SET1, SET2, B_S2, R_S2,
B_FR, R_FR, S2_FR
<+> <-><SELECT/RESET>
P2
Constant k
Factor for pickup current
<+> <-><SELECT/RESET>
k
A
and k
T
Time constant
τ
Cooling time/warming up
time constant
<+> <-><SELECT/RESET>
τ
C
and
τ
W
Blocking of function
EXIT
<+> until max. setting
value
LED of blocked
parameter
Characteristics
DEFT,NINV, VINV, EINV,
LINV, RINV,
<+> <-><SELECT/RESET>
CHAR I>
Characteristics
DEFT, NINV, VINV, EINV,
LINV, RINV
<+> <-><SELECT/RESET>
CHAR IE>
Switch failure protection
CBFP
after tripping
C. B.
Recorded fault data
Phase currents, earth currents
and temperature equivalent
<SELECT/RESET>
one time for each phase
L1, L2, L3, E
ϑ
A
and
ϑ
T
Enquiry failure memory
FLT1, FLT2.....
<+> <-><SELECT/RESET>
L1, L2, L3, E
I>, I>>, I
E>
, I
E>>
,
Delete failure memory
wait
<+> <-><SELECT/RESET>
Relay trip
TRIP
<TRIP> or after fault tripping
Secret password input
„XXXX“
<+><-> <ENTER>
<SELECT/RESET>
System reset
SEG
<SELECT/RESET>
for about 3 s
Manual trip
TRI?
<TRIP> three times
Inquire password
PSW?
<TRIP><ENTER>
Blocking of protection function
BLOC, NO_B
<ENTER> und <TRIP>
Change over the blockage function ²
)
PR_B, TR_B
<ENTER> und <TRIP>; <+><-
>
I>, I>>, I
E>
, I
E>>
, oder t
I>
,
tI>>, t
IE>
, t
IE>>
Relay assignment
e. g. _ 2 _ _
<ENTER> and <TRIP>
Trigger signal for the fault recorder
P_UP; A_PI; TRIP; TEST
<+> <-><SELECT/RESET>
FR
Number of fault occurences
S = 2, S = 4, S = 8
<+> <-><SELECT/RESET>
FR
Display of date and time
Y = 99, M = 10, D = 1,
h = 12, m = 2, s = 12
<+> <-><SELECT/RESET>
!
Slave address of serial interface
1-32
<+> <-><SELECT/RESET>
RS
Baud-Rate
1)
1200-9600
<SELECT/RESET> <+><->
RS
Parity-Check
1)
even odd no
<SELECT/RESET> <+><->
RS
Parameter switch
SET1; SET2
<+> <-><SELECT/RESET>
P2
Setting values:
Currents and time delays
Current and time
settings
<SELECT/RESET>
one time for each
parameter
I
B,A
; I
B,T
; k
A
; k
T
;
I>; CHAR I>; t
I>
; I>>;
t
I>>
;
I
E>
; CHAR I
E>
; t
IE>
; I
E>>
;
t
IE>>
Save parameter?
SAV?
<ENTER>
Save parameter!
SAV!
<ENTER> for about 3 s
Display of software-version
First part (e.g. D21-)
Second part (e.g. 1.00)
<TRIP>
one time for each part
Setting of the transformer connections of
U
E>
1:1; e-n; 3pha
<+> <-><SELECT/RESET>
U
E>
Table 5.1: possible indication messages on the display
1)
only Modbus
2)
only ITE
